What actually makes something ‘flushable’? These products cost New York City millions of dollars per year Share this story totally fine to flush those wipes down the toilet, the packaging claims. No problem at all. But according to sewage plants and wastewater experts, those so-called “flushable” products are actually a big problem. They might be flushable enough to snake through the toilet’s plumbing, but they don’t disintegrate before they reach the various channels, tanks, and propellers at sewage plants. Instead, they clump up on everything they hit — clogging up the syst...